All-time weather records — Thompson Falls, MT

Record high
107.1°F
August 4, 1961
Record low
-29.9°F
December 29, 1990
Wettest day
2.23 in
June 8, 1964

Climate change signal in Thompson Falls

9.6%

of Thompson Falls's all-time daily heat records were set in the last decade (35 of 366 records since 2015).

7.4%

of all-time daily cold records were set in the last decade (27 of 366 records since 2015).

If records were spread evenly across the station's history, you'd expect roughly 5% per decade. Decade-by-decade, here's where each record-breaking day was set:

Decade Heat records set # Cold records set #
1950s
15
35
1960s
61
103
1970s
38
61
1980s
79
77
1990s
73
29
2000s
54
31
2010s
24
11
2020s
22
19

Records are the all-time daily extremes that are still standing — each daily record can only be held by one year. The station's earliest hot record was set in 1956, the latest in 2025. Period of observation: 1956-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 63.0°F — Jan 27, 2005 -22.0°F — Jan 1, 1979 1.60 in — Jan 7, 2009
February 71.1°F — Feb 24, 1995 -16.1°F — Feb 16, 1956 1.26 in — Feb 7, 1996
March 80.1°F — Mar 30, 2004 -6.0°F — Mar 3, 2019 1.39 in — Mar 20, 2002
April 93.0°F — Apr 28, 1987 17.1°F — Apr 19, 1966 1.53 in — Apr 2, 1970
May 99.0°F — May 30, 1986 24.1°F — May 1, 1972 1.95 in — May 20, 1957
June 102.9°F — Jun 29, 2021 32.0°F — Jun 10, 1999 2.23 in — Jun 8, 1964
July 106.0°F — Jul 9, 1985 35.1°F — Jul 3, 1962 1.43 in — Jul 23, 1992
August 107.1°F — Aug 4, 1961 32.0°F — Aug 30, 1965 2.17 in — Aug 27, 1966
September 105.1°F — Sep 5, 1988 19.9°F — Sep 29, 1985 1.21 in — Sep 18, 1986
October 88.0°F — Oct 1, 1987 6.1°F — Oct 25, 2020 1.82 in — Oct 1, 2005
November 73.9°F — Nov 12, 1999 -13.0°F — Nov 16, 1959 1.51 in — Nov 22, 1961
December 61.0°F — Dec 1, 2021 -29.9°F — Dec 29, 1990 1.41 in — Dec 22, 1964

Click a month to see every daily record for that month in Thompson Falls.